A friend emailed this to me as he knows I am playing with a Mazda rotary.
Have you seen it before ?  Karibian

RX 7 custom intake manifold  http://www.sdsefi.com/techinta.htm

http://www.sdsefi.com/tech.html

http://www.sdsefi.com/


Some interesting stuff at this site on fuel injection.

Hal

This is for a four port rotary engine which are getting rare.
Most rotary engines today like the RX8 and the new 16B are six port engines.
That requires six tubes. Also the runners are not near long enough
to be tuned to 6000 or 7000 RPM. They need to be in the the
range of 25 to 28 inches long.  Six long small runners have a lot of internal
skin friction drag which cuts down the amount of air getting in to the engine.
That is why I recommend two much larger P-port runners replacing the six small
runners.

Paul Lamar

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